/* 尾部 */
.footer_top {
  margin-top: 40px;
  display: flex;
  margin-bottom: 20px;
  border-top: 1px solid #c8cacb;
}
.footer_top div {
  flex: 4;
  margin-right: 80px;
  margin-top: 30px;
}
.footer_top div h2 {
  font-size: 20px;
}
.footer_top div li {
  font-size: 16px;
  color: #000;
  margin-top: 34px;
}
.footer_top div:nth-child(4) ul li:nth-child(6) {
  position: relative;
  width: 100%;
  height: 50px;
  line-height: 50px;
  display: inline-block;
  background-color: #191f22;
  color: #fff;
  
}
.footer_top div:nth-child(4) ul li:nth-child(6) span {
  font-size: 20px;
  padding-right: 5px;
  padding-left: 10px;
}
.footer_top div:nth-child(4) ul .box50 h2 {
  color: #989b9c;
  
}
.footer_top div:nth-child(4) ul li:nth-child(6) .drop-down {
  position: absolute;
  top: 20px;
  left: 0;
  width: 100%;
  height: 114px;
  background-color: #fff;
  display: none;
}

.footer_top div:nth-child(4) ul li:nth-child(6) .drop-down li {
  float: left;
  width: 50px;
  height: 50px;
  background-color:black;
  margin-right: 5px;
  margin-top: 5px;
  text-align: center;
  line-height: 50px;
  
}
.footer_top div:nth-child(4) ul li:nth-child(6) .drop-down li a {
  font-size: 20px;
  color: #fff;
}
.footer_top div:nth-child(4) ul li:nth-child(6) {
  cursor: pointer;
}
/* .footer_top div:nth-child(4) ul li:nth-child(6):hover {
  background-color: red;
} */
/* .footer_top div:nth-child(4) ul li:nth-child(6):hover .footer_top div:nth-child(4) ul li:nth-child(6) .drop-down {
  display: block;
} */


.footer_top div:nth-child(4) ul .box50 a {
  display: inline-block;
  width: 50px;
  height: 50px;
  background-color:black;
  color: #fff;
  text-align: center;
  line-height: 50px;
  
}
.footer_top div:nth-child(4) ul .box50 a span {
  font-size: 30px;
}

.footer_bottom {
  background-color: #191f22;
  height: 453px;
}
.footer_bottom h2 {
  font-size: 24px;
  padding: 20px 0;
  color: #fff;
}
.footer_bottom .ipt{
  height: 154px;
  border-bottom: 1px solid #494e51;
}
.footer_bottom .ipt span {
  position: relative;
  display: inline-block;
  width: 315px;
  height: 50px;
  line-height: 50px;
  padding-left: 15px;
  font-size: 16px;
  background-color: #313639;
}
.footer_bottom .ipt span::before {
  position: absolute;
  content: '';
  right: 14px;
    top: 17px;
  display: block;
  width: 10px;
  height: 10px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}
.txt p {
  font-size: 16px;
  color: #fff;
  margin-top: 15px;
}
.txt p img {
  vertical-align: middle;
  margin-right: 3px;
}
.txt p a {
  display: inline-block;
  text-decoration: underline;
  color: #fff;
}
/* 尾部 */